BARRIERSHIELD™ Barrier Coat Primer is an perfect over incompatible or unknown antifoulings. It is an excellent primer over sanded fiberglass, and also is a excellent barrier against galvanic corrosion. BARRIERSHIELD™ also prevents leaching of TBT antifouling coatings, which is a major concern in the super yacht industry. Also a perfect anticorrosive primer for underwater metals. A high performance coating For Yacht, Marine & Industrial.
Barrier / sealer coat over incompatible / unknown antifoulings
Anticorrosive primer for underwater metals
Seal coat over TBT when copper antifouling needs to be applied
SUGGESTED USES: Sanded fiberglass, over incompatible or unknown antifoulings, sealing off TBT antifoulings, priming underwater metals.
LIMITATIONS: Do not apply if material, substrate or ambient temperature is below 40°F or above 95°F. DO NOT APPLY ABOVE THE WATERLINE.
VEHICLE TYPE: Hydrocarbon and Vinyl Resins
SOLVENT TYPE: High Flash Naphtha / Xylene
VOC: 3.76 lbs. / gal (450 grams / liter)
SOLIDS BY WEIGHT: 40%
WEIGHT PER GALLON: 8 lbs. per gallon (varies by color)
RECOMMENDED DRY FILM: 4.0 mils
COVERAGE: Theoretical coverage at two mils dry is 400 square feet per gallon, and recommended thickness of 4 mils dry would require 2 full coats. Material losses during mixing and application will vary and must be taken into consideration. Expect 50% less coverage on bare, rough or sandblasted surfaces.
VISCOSITY AT 75°F (24°C): 70-80 KU
AVERAGE DRY TIME 75°F: Dries to touch in 2 hours, overcoat in 5 hours. Lower temperatures & higher humidity will slow down dry times.
RECOMMENDED REDUCER: 974 Reducer
RECOMMENDED TOPCOAT: Antifouling Bottom Paint - Epoxy Hard or Ablative - 5 hours at 75 degrees F.
ON SANDED ALUMINUM: Apply one thin coat of Etch Primer before applying Barriershield.
APPLICATION: Brush, Spray or Roller
Roll: 3/8" - 1/2" nap mohair metal, lambskin, phenolic core roller. Keep roller wet. Roll in one direction, rewet, then cross roll. Product can bereduced as needed with Hi Flash Naphtha to allow proper flow out and performance.
Spray: Conventional Air Gravity Feed 59-70 psi, Tip Size .055 -.070, Airless 2200-2500 psi, Tip Size .013-.017. Product can be reduced with Xylene as needed for proper flow out and performance. For Air Spray reduce 25% with enamel reducer (Xylene).
SURFACE PREPARATION: Water blast surface to remove all loose paint, dirt, oils and grease. Abrade with 240 grit dry sandpaper or equivalent. Solvent wipe down to remove all sanding residue.
POT LIFE: Not Applicable
SHELF LIFE: Minimum 36 months
MIXING: Mix for 5 minutes, making sure that all solid material is mixed thoroughly.